(more details about jnlp….)
You can see it’s very simple one jnlp file, where there is only one jar file named Sample.jar and the main class file is Main.class which is represented at sample package (sample.Main).

For the icon at Desktop and Start Menu:-
Now our modified code goes here :

For Icon:

<icon href="logo.png" kind="default"/>

You can place your own icon image by specifying exact path of the icon in replace of logo.png and if your icon is in the dist folder then you can simply place the name of the file and extension like as in above example.